Some medieval buildings managed to survive to this day, it is clear that the ancient builders knew their job and used durable materials. Our hero loves the Middle Ages and everything connected with it, especially he is attracted to stories about knights. He recently learned that there is a real knight's castle in very good condition. But the castle is closed to visitors, they are going to restore it. This did not stop the hero, he hardly penetrated inside to inspect everything, and when he was about to leave, he realized that the gate was locked and needed a key from the castle. Help him find the key in Knight's Castle.